Smoking pipe



5. T. IVORY SMOKING PIPE May 14, 1929.

Filed July 1925 N MN IN VENT OR ATTORNEYS.

Patented May 14, 1929.

GRANVILLE T. IVORY, OF OAK PARK, ILLINOIS.

SMOKING PIPE.

Application filed July 1,

This invention relates to smoking pipes, and has for its object to provide a pipe of this kind which separates the nicotine juices from the smoke inhaled by the user.

A further object of the invention is to construct the smoke passage of the pipe with interrupted and staggered sections, whereby nicotine juices entering the section leading from the bowl will not continue into the section leading to the mouth.

A still further object of the invention is to provide a structure of few'parts and which may be easily cleaned.

With the above objects in view, and other objects which may suggest themselves from the description and claims to follow, a better understanding of the invention may besecured upon reference to the accompanying drawing, in which Figure 1 is a vertical, central section of the novel pipe, partly in elevation;

Fig. 2 is a plan view partly in section along the levels of the smoke passage; and

Fig. 3'is a detail section taken on the line 3-3 of Fig. 1.

Referring specifically to the drawing, 5 denotes a smoking pipe of conventional design, the same carrying a ferrule 6 into which is fitted the stub 7 of the stem 8, the latter having the usual mouthpiece 9.

From a point above the bottom of the bowl 10 two laterally spaced ducts 11 lead down wardly toward the opposite end of the pipe body 5 so as to communicate with the bottom of an internalspace 12 between the smaller end of the pipe body and the stub 7. At the top of this space, a pair of ducts 13 are formed in the stem 8,,these also being inclined and terminating with the mouthpiece.

Approximately in the center of the pipe is a passage 14 which leads from the bottom of the bowl 10 through the body 5, continuing beyond the space 12 to terminate in the stem stub 7 A metal tube 15, firmly threaded into the stub 7 occupies the passage 14 crossing the space 12, and opens on the bottom of the bowl. The upper I forated, as indicated at 16, at the site of the space 12. I

The twin passages or ducts 11 and their continuations are intended to convey the tobacco smoke to the mouth, but the continuity of these ducts is interrupted at the site of the space 12 to prevent such nicotine juices as may enter the ducts 11 from being received 1nto the ducts 13. Thus, the ducts 11 are inclined side of the tube 15 is per- 7 1925. Serial No. 40,909.

,fore accumulate in the metal tube 15 and will be assisted in that direction by suction through the perforation 16 each time a draught of smoke is taken.

iVhen the pipe is to be cleaned, the removal of the stem draws with it the tube 15, which may then be unscrewed and cleaned with a wire swab of the type commonly sold for clearing passages in smoking pipes of obstructions. The same wire may also be used to clear the ducts 11 and 13 of possible obstructions or incrustatioiis.

It is thus seen that the novel construct-ion enables a smoking pipe to be kept clean with little effort. The smoke ducts 11 and 13'are made in duplicate in order to permit the con tinued free drawing of the smoke in the event that one duct becomes clogged with particles of tobacco. The pipe is inexpensive to construct on account of the simplicity of its passages, which are made by ordinary drilling. The high entrance to the ducts 13 keeps saliva accumulations in the ducts 11 and the space 12 from being drawn into the mouth, and above all, the inhalation of nicotine is virtually, if not entirely eliminated.

I claim:

1. A smoke pipe comprising a bowl having a stem section formed integral therewith, a bit section, means for connecting said sections in spaced relation to each other, said connecting means together with the adjacent ends of the stems defining an air chambenthefirstnamed stem section" having a passageway formed therein leading from a point above the bottom of the bowl to the lower portion of said chamher, the bit section having a passage theretliorugh leading from the upper portion of said chamber to the rear end of the section, the above relationships considering the pipe stem as extending n a horizontal position i with the bowl upward, a tube extending from the bottom of the bowl through said chamber and having a top opening forming communication between the bore of said tube and the chamber, said tube being carried by the bit section.

2. A smoke pipe comprising a bowl having a stem section formed integral therewith, a bit section, means securing to the first named stem section in spaced relation thereto the bit section forming a chamber between the sections, said first named section having a passage therethrough from a point above the bottom of the bowl to the bottom of the said chamber, the bit section having a passageway therethrough communicating with the upper portion of the chamber, a nicotine duct forming communication between the bottom of the bowl and said chamber, considering the part with the bowl upward.

3. A smoke pipe comprising a bowl having a stem section integral therewith, said stem section having a passageway leading there through from the bottom of the bowl, a bit section connected with said stem section so as to form a chamber between said sections, a tubular member on said bit sect-ion extending through said passageways, said tubular mem her having an aperture forming communication between the chamber and the bore of the tubular member, the bit section having a pas sageway therethrough communicating with said chamber at a point above said aperture.

4. A pipe comprising a bowl having a stem section formed integral therewith, a bit section having a bit thereon, means connecting said stem section and bit section in spaced relation to form a chamber, smoke passageways arranged in parallel pairs through said'sec tions and extending respectivelyrearwardly downward from points above the bottom of the bowl to the lower part of said chamber and from the upper part of said chamber to said bit. 7

In testimony whereof I afli'x my signature.

GRANVILLE T. IVORY. 

